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black leaf
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Causal organism: Cylindrocladium illicicola
Symptoms Small, circular, water-soaked, necrotic black spots appear on the leaf blade mostly on the margin of upper or lower surface. Spots enlarge in size and the entire leaf or half of it turns black & rot hence the name black leaf. Infected leaves drop. |
Last modified: Wednesday, 28 December 2011, 8:12 AM